[Chinese name] Shuang Qin Qing Hao Su [English name] Dihydroartemisinin [Chemical name] 3 R, ,5 aS ,6 R ,8a S ,9 R ,12 S ,12 aR - octahydro -3,6,9- trimethyl -3,12- epoxy -12 H - pyrano [4,3- j ]-1,2 benzodioxepin -10 3 H - one [Molecular formula] C15H24O5 [Molecular weight] 284.35 [Producing area] Shaanxi, China [CAS Number] 71939-50-9 [Product resource] Dihydroartemisinin is a high-tech product which is obtained after science refining and half-synthesis process. It is an artemisinin derivative with high anti-malaria property. [Specification] 99% Min by HPLC [Properties] Achromatism injection form crystal; no foul smell; bitter taste. [Application scope] Anti-malaria medicine. [Package] 25kg net weight cardboard drums (37cm diameter, 50cm height), double-decked plastic bags inside. [Storage] Keep in sealed, shadow, cool and dry area. [Shelf life] 3 year